ksz8893mqlam Micrel Semiconductor, ksz8893mqlam Datasheet - Page 37
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ksz8893mqlam
Manufacturer Part Number
ksz8893mqlam
Description
Integrated 3-port 10/100 Managed Switch With Phys
Manufacturer
Micrel Semiconductor
Datasheet
1.KSZ8893MQLAM.pdf
(116 pages)
- Current page: 37 of 116
- Download datasheet (694Kb)
The KSZ8893MQL/MBL will not forward the following packets:
1. Error packets
2. IEEE802.3x PAUSE frames
3. "Local" packets
December 2007
These include framing errors, Frame Check Sequence (FCS) errors, alignment errors, and illegal size
packet errors.
KSZ8893MQL/MBL intercepts these packets and performs full duplex flow control accordingly.
Based on destination address (DA) lookup. If the destination port from the lookup table matches the port
from which the packet originated, the packet is defined as "local."
Figure 5. Destination Address Resolution Flow Chart, Stage 2
Spanning Tree
IGMP Process
Membership
Port Mirror
Port VLAN
Process
Process
Check
PTF1
PTF2
- Check receiving port's receive enable bit
- Check destination port's transmit enable bit
- Check whether packets are special (BPDU
- Applied to MAC #1 and MAC #2
- MAC #3 is reserved for
- IGMP will be forwarded to port 3
- RX Mirror
- TX Mirror
- RX or TX Mirror
- RX and TX Mirror
or specified)
microprocessor
37
M9999-121007-1.5
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